UPS of 10KVA and

UPS of 10KVA and 翻译millions of ups and downs life is full of ups and downs 翻译millions of ups and downs lots of ups and downds是什么意思 ups and ups电源3kva/8h是 Life is full of ups and 后面应补充什么? Remember that life is full of ups and downs,and without the downs,the ups would mean nothing. 60KVA的UPS怎样计算电流举例说明,列出公式 什么牌子的UPS质量好?容量为3KVA的UPS价格大约是多少? 若选用功率因数为+0.8的10kVA UPS,带用电设备是功率因数为-0.8的负载,此时UPS是一个什么情况?若带满负荷,此时逆变器必须提供的电流是多少呢? UPS电源.220VAC,50Hz,45.5A,10KVA,PF=0.7最大能够承受多少千瓦?能带动25千瓦的设备么 10KVA,800W的UPS需要备电时间4小时,请问需要多少块12V,100Ah的电池?请写出计算过程,谢谢 英文概括 100词左右 The Ups and Downs of Living Longer Life is full of ups and downs.Success always comes along with failure she leaves behind her own life long movie of ups and downs 翻译 life is full of ups and downs可以帮我翻译一下这是什么意思么?